12212500521073 has 2 divisors, whose sum is σ = 12212500521074. Its totient is φ = 12212500521072.

The previous prime is 12212500521017. The next prime is 12212500521283. The reversal of 12212500521073 is 37012500521221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7828619333089 + 4383881187984 = 2797967^2 + 2093772^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212500521073 - 2³⁷ = 12075061567601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212500561073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106250260536 + 6106250260537.

It is an arithmetic number, because the mean of its divisors is an integer number (6106250260537).

Almost surely, 2^{12212500521073} is an apocalyptic number.

It is an amenable number.

12212500521073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212500521073 is an equidigital number, since it uses as much as digits as its factorization.

12212500521073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 12212500521073 in words is "twelve trillion, two hundred twelve billion, five hundred million, five hundred twenty-one thousand, seventy-three".